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Location: New York, NY, United States This Loft was tastefully renovated back in the '90s, but was due for an update and an expansion of the kitchen and dining areas to accommodate the client's cooking skills and entertaining needs. EnlargIing the island and adding cabinetry to delineate the office, bar and dining areas was a priority. The bathroom was updated to feel like a tranquil spa with beautiful new tile, plumbing fixtures and cabinets. Our biggest challenge was coordinating the entire renovation while our client was out of town for the Summer! Photographed by: James Salomon

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Ever notice how your iron fence looks more rust than paint after another brutal Chicago winter? That is usually the moment homeowners start searching for a painting contractor who actually understands metal - not just someone who will brush a coat of black paint over active corrosion and call it done. At Windy City Painters, iron fence restoration is one of our most requested services on the North Side and Near West Side, and for good reason. These fences are old, they are beautiful, and they deserve a proper finish system. PROJECT OVERVIEW This project involved a full ornamental iron fence on a North Side greystone property. The fence was original to the building - likely installed in the 1910s or 1920s - and had gone through multiple paint cycles without any rust conversion work. By the time Windy City Painters arrived, the horizontal rails showed active pitting, the vertical spindles had surface rust under lifting paint, and two corner posts had minor joint separation. The homeowner wanted the fence restored to a sharp satin black finish that would hold through multiple Chicago winters. MATERIALS AND PRODUCTS Ospho Rust Converter - phosphoric acid formula that chemically neutralizes iron oxide and converts it to iron phosphate, a stable paintable surface. Used on all pitted and actively corroded areas before primer application. Rust-Oleum DTM Rust-Inhibitive Primer - direct-to-metal primer that bonds to both converted rust zones and bare metal, blocking moisture intrusion at the substrate level. Sherwin-Williams DTM Acrylic Topcoat - flexible, moisture-resistant finish formulated to expand and contract with metal through temperature cycling. Applied in two finish coats in satin black. For cases with deeper rust penetration, Corroseal Water-Based Rust Converter and Metal Primer is an alternative that combines conversion and priming in a single product, useful on complex ornamental profiles where two-product systems are harder to apply. THE PROCESS Step 1 - Mechanical Preparation. Windy City Painters wire-wheels all loose rust, flaking paint, and scale using angle grinders fitted with wire wheel attachments. On heavily pitted sections, needle gun descaling is used to reach rust in tight ornamental grooves. This step is non-negotiable. No coating bonds reliably to iron oxide, and skipping this step is the single most common reason iron fence paint fails within a year. Step 2 - Rust Conversion. Ospho is brushed into all pitted and bare metal areas and allowed to fully react. The surface shifts from orange to a grayish-black iron phosphate layer. This stable base accepts primer without the risk of rust migrating upward through the paint film over time. Step 3 - Primer Coat. Rust-Oleum DTM rust-inhibitive primer is applied full coverage over the entire fence surface, including areas that appeared clean but showed minor surface oxidation. DTM primer acts as a moisture barrier and mechanical adhesion layer for the finish coats. Step 4 - Finish Coats. Two coats of Sherwin-Williams DTM acrylic topcoat are applied in satin black, with adequate dry time between coats. The DTM formula remains flexible after cure, allowing the iron to expand and contract through Chicago temperature swings without the topcoat cracking or peeling at joints. CHICAGO-SPECIFIC CHALLENGES Ornamental iron on Chicago greystones, two-flats, and Victorian brownstones was almost never hot-dip galvanized. It was painted from installation and has relied on continuous paint maintenance ever since. Chicago winters add specific stress: freeze-thaw cycles force water into any paint film crack, expanding it; road salt spray elevates corrosive chloride exposure; and humidity during spring thaw keeps metal surfaces wet for extended periods. This combination accelerates rust spread beneath paint films that appear intact on the surface. WHAT TO EXPECT LONG-TERM A properly prepped and primed iron fence finished with a DTM topcoat system should hold 5-8 years in Chicago conditions before any touch-up is warranted. Annual inspection of joints, welds, and areas near grade level will catch early moisture entry before it becomes a larger rust issue. Windy City Painters recommends scheduling touch-up earlier rather than waiting for full paint failure to protect the prep investment. PRO TIPS Tip 1 - Address joint separation before painting. If fence rails have separated at welds or mechanical joints, water will enter and rust will restart from inside the connection point regardless of the exterior coating. Flag any separated joints for welding before any paint system is applied. Tip 2 - Never use latex house paint on iron fences. Standard exterior latex lacks the adhesion and flexibility for bare metal. Always use a product labeled DTM or specify a rust-inhibitive primer underneath any finish coat applied to iron. Tip 3 - Paint in late spring or early fall. Iron fences exposed to full sun in peak summer heat can reach surface temperatures that cause solvent-based coatings to blister during application. Ideal application conditions are 50-85 degrees Fahrenheit with low humidity and no direct intense sun on the metal surface. Learn more about iron fence painting cost in Chicago and schedule your free estimate at windypainters.com FAQ Q: What does iron fence painting cost in Chicago? A: Windy City Painters typically prices residential iron fence painting at $8-$18 per linear foot. Variables include rust severity, spindle density, ornamental profile complexity, and whether rust conversion products like Ospho or Corroseal are required before priming. Q: Can you paint over rust without grinding it off first? A: No. Windy City Painters always performs mechanical prep before any coating. Wire wheel grinding removes loose scale and flaking paint. Rust converters handle residual oxidation chemically. Skipping this step means the new paint film will delaminate within one season. Q: How do I know if my iron fence needs a welder before painting? A: Windy City Painters inspects all joints and rail connections during the estimate. Rail separation, cracked welds, or sections that flex when pressed indicate structural issues that should be welded before any paint system is applied to avoid reopening at stress points. Q: What is the difference between Ospho and Corroseal? A: Both are rust converters. Ospho is a phosphoric acid solution applied as a separate step before priming, giving maximum control over conversion and primer selection. Corroseal combines conversion and primer in one product, which works well on complex ornamental profiles where a two-step system is harder to apply evenly. Q: How long does the paint last on an iron fence in Chicago? A: With full mechanical prep, rust conversion, DTM primer, and two DTM topcoats, Windy City Painters clients typically see 5-8 years of performance before touch-up is needed, even through Chicago freeze-thaw cycling and road salt exposure. Q: Do you paint iron fences that are still structurally sound but heavily rusted on the surface? A: Yes. Surface rust, even heavy pitting, does not necessarily indicate structural failure. Windy City Painters evaluates each fence individually. As long as the metal is sound under the rust, proper mechanical prep and a rust converter restore the surface to a paintable condition.

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